Warrants weighted- average exercise price of warrants.

No definition available.

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- Definition

Weighted-average exercise price, expired or cancelled.

+ References

No definition available.

+ Details

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- Definition

Weighted-average exercise price, outstanding.

+ References

No definition available.

+ Details

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- Definition

Weighted-average exercise price, issued.

+ References

No definition available.

+ Details

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Namespace Prefix:	OTLC_
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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644

+ Details

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- Definition

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of shares under non-option equity instrument agreements that were either cancelled or expired.

+ References

+ Details

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Period Type:	duration

- Definition

Net number of non-option equity instruments granted to participants.

+ References

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

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- Definition

Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

+ Details

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- Details

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- Details

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- Details

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SCHEDULE OF WARRANTS OUTSTANDING AND EXERCISABLE (Details) - $ / shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Jul. 31, 2020
Number of Stock Options Outstanding, beginning balance	53,314,424
Weighted-Average Exercise Price, Outstanding, beginning balance	$ 0.20
Number of Stock Options, Issued	33,000,066
Number of Stock Options, Expired or cancelled	(5,769,231)
Weighted-Average Exercise Price, Expired or cancelled	$ 0.13
Number of Stock Options Outstanding, ending balance	80,545,259
Weighted-Average Exercise Price, Outstanding, ending balance	$ 0.18
Warrants Outstanding, Number of Warrants	80,545,259
Warrants Exercisable, Weighted Average Remaining Life In Years	2 years 1 month 24 days
Warrants Weighted- Average Exercise Price	$ 0.18
Warrants Exercisable, Exercisable Number of Warrants	80,545,259
Warrant [Member]
Warrants Outstanding, Exercise Price	$ 0.15
Warrants Exercisable, Exercisable Number of Warrants		100,000	100,000
Exercise Price 1 [Member] \| Warrant [Member]
Warrants Outstanding, Exercise Price	$ 0.20
Warrants Outstanding, Number of Warrants	42,737,500
Warrants Weighted- Average Exercise Price	$ 0.20
Warrants Exercisable, Exercisable Number of Warrants	4,237,500
Exercise Price 2 [Member] \| Warrant [Member]
Warrants Outstanding, Exercise Price	$ 0.13
Warrants Outstanding, Number of Warrants	4,807,693
Warrants Exercisable, Weighted Average Remaining Life In Years	5 years
Warrants Weighted- Average Exercise Price	$ 0.13
Warrants Exercisable, Exercisable Number of Warrants	4,807,693
Exercise Price 3 [Member] \| Warrant [Member]
Warrants Outstanding, Exercise Price	$ 0.15
Warrants Outstanding, Number of Warrants	33,000,066
Warrants Exercisable, Weighted Average Remaining Life In Years	2 years
Warrants Weighted- Average Exercise Price	$ 0.15
Warrants Exercisable, Exercisable Number of Warrants	33,000,066
Minimum [Member]
Weighted-Average Exercise Price, Issued	$ 0.15
Minimum [Member] \| Exercise Price 1 [Member] \| Warrant [Member]
Warrants Exercisable, Weighted Average Remaining Life In Years	1 year
Maximum [Member]
Weighted-Average Exercise Price, Issued	$ 0.20